//
//  WBVisitorVIew.swift
//  MyWeiBo
//
//  Created by 俞存旭 on 2016/10/12.
//  Copyright © 2016年 俞存旭. All rights reserved.
//

import UIKit

class WBVisitorVIew: UIView {
    
    //注册按钮
    lazy var registerButton : UIButton = UIButton(type: UIButtonType.custom)
    
    //登录按钮
    lazy var loginButton : UIButton = UIButton(type: UIButtonType.custom)
    
    //设置访客视图信息 [imageName / message]
    //如果首页 imageName = ""
    var viditorInfo: [String: String]? {
        didSet {
            //1.取字典信息
            guard let imageName = viditorInfo?["imageName"],
                let message = viditorInfo?["message"] else {
                    return
            }
            //2.设置消息
            tipLabel.text = message;
            //3.设置图像，首页必须有设置
            if imageName == "" {
                startAnimation()
                return
            }
            
            iconView.image = UIImage(named: imageName)
            
            //其他控制器的访客视图不需要显示
            houseIconView.isHidden = true
            //遮罩视图也不需要
            maskIconView.isHidden = true
        }
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
    
        setupUI()
        
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //旋转图标动画
    func startAnimation()
    {
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        //设置连续播放的动画非常有用 ，-- 循环执行
        anim.isRemovedOnCompletion = false
        //将动画添加到图层
        iconView.layer.add(anim, forKey: nil)
    }
    
    //MARK: - 设置访客视图信息
    /*
     使用字典设置访客视图的信息
      - parameter  dict: [imageName / message]
     提示：如果是首页 imageName = ""
     */
    func setupInfo(dict: [String: String])
    {

    }
    //MARK：私有控件
    //图像视图
    lazy var iconView : UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    //遮罩图像
    lazy var maskIconView : UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    //小房子
    lazy var houseIconView : UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))

    //提示标签
    lazy var tipLabel = UILabel()

    //关注按钮
    
    
}
//MARK: - 设置界面
extension WBVisitorVIew {
    
    
    func setupUI()  {
        backgroundColor = UIColor(red: 237/255.0, green: 237/255.0, blue: 237/255.0, alpha: 1.0)
        //1.添加控件
        setupTipLb()
        setupRegBtn()
        
        //1.添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseIconView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        //文本居中
        tipLabel.textAlignment = .center
        
        //2.取消autoresizing
        for v in subviews {
            
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        //3.自动布局 "view1.attr1 = view2.attr2 * multiplier + constant"
//        iconView.layer.borderWidth = 1.0
//        houseIconView.layer.borderWidth = 1.0
//        tipLabel.layer.borderWidth = 1.0

        let margin: CGFloat = 20.0
        //1.图像
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: -100))
        //2.小房子
        addConstraint(NSLayoutConstraint(item: houseIconView, attribute: .centerX, relatedBy: .equal, toItem: iconView, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: houseIconView, attribute: .centerY, relatedBy: .equal, toItem: iconView, attribute: .centerY, multiplier: 1.0, constant: 0))
        //3.提示标签
        addConstraint(NSLayoutConstraint(item: tipLabel, attribute: .centerX, relatedBy: .equal, toItem: iconView, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel, attribute: .top, relatedBy: .equal, toItem: iconView, attribute: .bottom, multiplier: 1.0, constant: margin))
        addConstraint(NSLayoutConstraint(item: tipLabel, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1.0, constant: 236))
        //4.注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .left, relatedBy: .equal, toItem: tipLabel, attribute: .left, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .top, relatedBy: .equal, toItem: tipLabel, attribute: .bottom, multiplier: 1.0, constant: margin))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1.0, constant: 100))
        //5.登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .right, relatedBy: .equal, toItem: tipLabel, attribute: .right, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .top, relatedBy: .equal, toItem: tipLabel, attribute: .bottom, multiplier: 1.0, constant: margin))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: .width, relatedBy: .equal, toItem: registerButton, attribute: .width, multiplier: 1.0, constant: 0))
        //6.遮罩图像
        /* views:定义 VFL 中的控件名称映射关系
            metrics“ 定义 VFL ()指定的常数映射关系
         */
        let viewDict = ["maskIconView":maskIconView,"registerButton":registerButton] as [String : Any]
        let metrics = ["spacing":20]
        
        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-0-[maskIconView]-0-|", options: [], metrics: nil, views: viewDict))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
            options: [],
            metrics: metrics,
            views: viewDict))

        
    }
    
    func setupTipLb()
    {
//        tipLabel.text = "关注一些人，回这里看看有什么惊喜"
        tipLabel.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        tipLabel.numberOfLines = 0
        tipLabel.textColor = UIColor.gray
        tipLabel.textAlignment = .center
        tipLabel.font = UIFont.systemFont(ofSize: 14)
    }
    
    func setupRegBtn()
    {
        registerButton.setTitle("注册", for: .normal)
        registerButton.setTitleColor(UIColor.orange, for: .normal)
        registerButton.setTitleColor(UIColor.black, for: .highlighted)
        registerButton.setBackgroundImage(UIImage(named:"common_button_white_disable") , for: .normal)
        
        loginButton.setTitle("登录", for: .normal)
        loginButton.setTitleColor(UIColor.darkGray, for: .normal)
        loginButton.setTitleColor(UIColor.black, for: .highlighted)
        loginButton.setBackgroundImage(UIImage(named:"common_button_white_disable") , for: .normal)
    }
    
}
